Percichthys laevis

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相关物种
- 物种在
  Percichthys
- 物种在
  Percichthyidae
- - 分类 -
- Percichthyidae
- Centrarchiformes
- Teleostei
- Chordata
- Animalia

Percichthys laevis (Jenyns, 1840)

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drawing shows typical species in Percichthyidae.

分类 / Names 俗名 | 同种异名 | Catalog of Fishes(属, 种) | ITIS | CoL | WoRMS | Cloffa

Teleostei > Centrarchiformes (Basses) > Percichthyidae (Temperate perches)
Etymology: Percichthys: Greek, perke = perch + Greek, ichthys = fish (Ref. 45335).
More on author: Jenyns.

Environment: milieu / climate zone / depth range / distribution range 生态学

; 淡水底中水层性. 温带

分布国家 | FAO区域 | 生态系 | 标本纪录 | Point map | 简介 | Faunafri

South America: Santa Cruz-Chico systems in Argentina.
南美洲: 在阿根廷的圣克鲁兹-黑肉叶刺茎藜的系统。

大小 / 重量 / 年龄

Maturity: L_m ? range ? - ? cm
Max length : 22.0 cm SL 雄鱼/尚未辨别雌雄; (Ref. 55324)

简单描述检索表 | 型态特徵 | 形态测量图

臀鳍软条: 8 - 11. Differs from its congeners by the dentigerous arm of premaxilla about 1.6-1.9 the height of ascending process (vs. 1.5 or more than 2 times that height), and the following combination of characters: quadrate-mandibular articulation at posterior half of orbit; mouth hypognathous; posterior border of maxilla at about anterior border of pupil, between the posterior border of lachrymal and anterior half of the infraorbital 2; hyoid artery piercing dorsal hypohyal; 3 predorsal bones; one supernumerary spine on first dorsal pterygiophore; 8 trisegmented pterygiophores in dorsal fin; 3rd or 4th dorsal fin spine the longest; anal fin origin slightly behind the origin of rayed portion of dorsal fin; pectoral and pelvic fins of similar length, being 60-75% HL and 70-110% body depth; 15-16 pectoral fin rays; 8-11 anal fin rays; 45-49 caudal fin rays (Ref. 55324).
有别于它的同类前颌骨的藉由有齿手臂大约 1.6-1.9 高度向上突起 (vs.1.5个或更多比较两倍那高度), 与下列的组合特征: 在眼窝的后半段的方骨-颚骨的关节; 嘴 hypognathous; 于大约瞳孔的前缘的颚骨的后缘, 在泪骨的后缘之间与前半部的眶下 2; U 字形的动脉刺骨的背部 hypohyal; 3个前背骨; 在第一背鳍支鳍骨上的一根额外的棘; 在背鳍的 8个 trisegmented 支鳍骨; 第三或第 4根背鳍棘最长的; 臀鳍起源些微地在背鳍的有鳍条的部分的起源后面; 胸鳍与相似长度，存在 60-75% HL 與 70-110% 體高的腹鰭; 15-16個胸鰭鰭條; 8-11個臀鰭棘條; 45-49個尾鰭鰭條.(參考文獻 55324)

Life cycle and mating behavior 成熟度 | 繁殖 | 产卵场 | 卵 | 孕卵数 | 仔鱼

南美洲: 在阿根廷的圣克鲁兹-黑肉叶刺茎藜的系统。

主要参考文献 Upload your references | 参考文献 | 合作者 : Arratia, Gloria | 合作者

López-Arbarello, A., 2004. Taxonomy of the genus Percichthys (Perciformes: Percichthyidae). Ichthyol. Explor. Freshwat. 15(4):331-350. (Ref. 55324)

世界自然保护联盟红皮书 (Ref. 130435: Version 2024-2)

不评价

CITES

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

对人类的威胁

无害处的

人类利用

FAO - Publication: search | FishSource |

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Estimates based on models

Phylogenetic diversity index (Ref. 82804): PD₅₀ = 0.5312 [Uniqueness, from 0.5 = low to 2.0 = high].

Bayesian length-weight: a=0.01000 (0.00244 - 0.04107), b=3.04 (2.81 - 3.27), in cm total length, based on all LWR estimates for this body shape (Ref. 93245).

营养阶层 (Ref. 69278): 3.6 ±0.1 se; based on size and trophs of closest relatives

回复力 (Ref. 120179): 中等的, 族群倍增时间最少 1.4 - 4.4年 (Preliminary K or Fecundity.).

Fishing Vulnerability (Ref. 59153): Low vulnerability (17 of 100).

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